This page explains how Gerard J. Schreuders (USATT# 50104)'s rating went from 1564 to 1563 at the Statesville Table Tennis League event from 27 Feb 2017. The links below take you to pages that describe various aspects of the rating processor.

The rating processor goes through 4 passes in order. The links take you to pages that provide detailed explanations of the calculations during each of the 4 passes.